protected RouteProvider::getCandidateOutlines(array $parts)
Returns an array of path pattern outlines that could match the path parts.
Parameters
array $parts: The parts of the path for which we want candidates.
Return value
array An array of outlines that could match the specified path parts.
File
- core/lib/Drupal/Core/Routing/RouteProvider.php, line 250
Class
- RouteProvider
- A Route Provider front-end for all Drupal-stored routes.
Namespace
Drupal\Core\Routing
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | protected function getCandidateOutlines(array $parts) { $number_parts = count($parts); $ancestors = array(); $length = $number_parts - 1; $end = (1 << $number_parts) - 1; // The highest possible mask is a 1 bit for every part of the path. We will // check every value down from there to generate a possible outline. if ($number_parts == 1) { $masks = array(1); } elseif ($number_parts <= 3 && $number_parts > 0) { // Optimization - don't query the state system for short paths. This also // insulates against the state entry for masks going missing for common // user-facing paths since we generate all values without checking state. $masks = range($end, 1); } elseif ($number_parts <= 0) { // No path can match, short-circuit the process. $masks = array(); } else { // Get the actual patterns that exist out of state. $masks = (array) $this->state->get('routing.menu_masks.' . $this->tableName, array()); } // Only examine patterns that actually exist as router items (the masks). foreach ($masks as $i) { if ($i > $end) { // Only look at masks that are not longer than the path of interest. continue; } elseif ($i < (1 << $length)) { // We have exhausted the masks of a given length, so decrease the length. --$length; } $current = ''; for ($j = $length; $j >= 0; $j--) { // Check the bit on the $j offset. if ($i & (1 << $j)) { // Bit one means the original value. $current .= $parts[$length - $j]; } else { // Bit zero means means wildcard. $current .= '%'; } // Unless we are at offset 0, add a slash. if ($j) { $current .= '/'; } } $ancestors[] = '/' . $current; } return $ancestors;} |
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